./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d8bfdcffbfa2f8ea1896cdcb99e5a5238344d77 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:00:21,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:00:21,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:00:21,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:00:21,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:00:21,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:00:21,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:00:21,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:00:21,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:00:21,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:00:21,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:00:21,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:00:21,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:00:21,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:00:21,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:00:21,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:00:21,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:00:21,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:00:21,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:00:21,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:00:21,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:00:21,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:00:21,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:00:21,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:00:21,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:00:21,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:00:21,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:00:21,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:00:21,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:00:21,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:00:21,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:00:21,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:00:21,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:00:21,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:00:21,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:00:21,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:00:21,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:00:21,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:00:21,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:00:21,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:00:21,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:00:21,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 01:00:21,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:00:21,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:00:21,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:00:21,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:00:21,598 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:00:21,598 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:00:21,598 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:00:21,599 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:00:21,599 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:00:21,599 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:00:21,601 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:00:21,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:00:21,602 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:00:21,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:00:21,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:00:21,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:00:21,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:00:21,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:00:21,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:00:21,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:00:21,604 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:00:21,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:00:21,605 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:00:21,605 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:00:21,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:00:21,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:00:21,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:00:21,606 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:00:21,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:00:21,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:00:21,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:00:21,607 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:00:21,609 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:00:21,609 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8bfdcffbfa2f8ea1896cdcb99e5a5238344d77 [2020-11-30 01:00:21,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:00:21,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:00:21,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:00:21,942 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:00:21,943 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:00:21,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2020-11-30 01:00:22,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/data/5db83e09f/eba519fcc81b4228886a082b3ee858ca/FLAG8ac181c74 [2020-11-30 01:00:22,643 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:00:22,644 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2020-11-30 01:00:22,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/data/5db83e09f/eba519fcc81b4228886a082b3ee858ca/FLAG8ac181c74 [2020-11-30 01:00:22,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/data/5db83e09f/eba519fcc81b4228886a082b3ee858ca [2020-11-30 01:00:22,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:00:22,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:00:22,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:00:22,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:00:22,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:00:22,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:00:22" (1/1) ... [2020-11-30 01:00:22,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf65be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:22, skipping insertion in model container [2020-11-30 01:00:22,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:00:22" (1/1) ... [2020-11-30 01:00:22,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:00:23,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:00:23,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:00:23,391 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:00:23,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:00:23,547 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:00:23,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23 WrapperNode [2020-11-30 01:00:23,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:00:23,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:00:23,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:00:23,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:00:23,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (1/1) ... [2020-11-30 01:00:23,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (1/1) ... [2020-11-30 01:00:23,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:00:23,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:00:23,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:00:23,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:00:23,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (1/1) ... [2020-11-30 01:00:23,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (1/1) ... [2020-11-30 01:00:23,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (1/1) ... [2020-11-30 01:00:23,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (1/1) ... [2020-11-30 01:00:23,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (1/1) ... [2020-11-30 01:00:23,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (1/1) ... [2020-11-30 01:00:23,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (1/1) ... [2020-11-30 01:00:23,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:00:23,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:00:23,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:00:23,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:00:23,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:00:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:00:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:00:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:00:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:00:26,149 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:00:26,153 INFO L298 CfgBuilder]: Removed 920 assume(true) statements. [2020-11-30 01:00:26,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:00:26 BoogieIcfgContainer [2020-11-30 01:00:26,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:00:26,160 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:00:26,160 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:00:26,165 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:00:26,166 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:00:26,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:00:22" (1/3) ... [2020-11-30 01:00:26,168 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43b368b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:00:26, skipping insertion in model container [2020-11-30 01:00:26,168 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:00:26,169 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:23" (2/3) ... [2020-11-30 01:00:26,169 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43b368b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:00:26, skipping insertion in model container [2020-11-30 01:00:26,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:00:26,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:00:26" (3/3) ... [2020-11-30 01:00:26,172 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2020-11-30 01:00:26,250 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:00:26,250 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:00:26,250 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:00:26,251 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:00:26,251 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:00:26,251 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:00:26,251 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:00:26,251 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:00:26,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 479 states. [2020-11-30 01:00:26,407 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 313 [2020-11-30 01:00:26,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:00:26,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:00:26,426 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:26,427 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:26,427 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:00:26,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 479 states. [2020-11-30 01:00:26,449 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 313 [2020-11-30 01:00:26,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:00:26,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:00:26,457 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:26,457 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:26,472 INFO L794 eck$LassoCheckResult]: Stem: 306#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string76.base, #t~string76.offset, 1);call write~init~int(80, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(117, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(109, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(112, #t~string76.base, 4 + #t~string76.offset, 1);call write~init~int(58, #t~string76.base, 5 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 6 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(110, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string80.base, #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string82.base, #t~string82.offset, 1);call write~init~int(32, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 2 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string84.base, #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 1 + #t~string84.offset, 1);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 243#L-1true havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 301#L297true havoc select_features_#t~ret19, select_features_#t~ret20, select_features_#t~ret21, select_features_#t~ret22, select_features_#t~ret23, select_features_#t~ret24;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 454#L272true select_features_#t~ret19 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret19;havoc select_features_#t~ret19;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 452#L272-1true select_features_#t~ret20 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret20;havoc select_features_#t~ret20;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 469#L272-2true select_features_#t~ret21 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret21;havoc select_features_#t~ret21;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 467#L272-3true select_features_#t~ret22 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret22;havoc select_features_#t~ret22;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 464#L272-4true select_features_#t~ret23 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret23;havoc select_features_#t~ret23;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 461#L272-5true select_features_#t~ret24 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret24;havoc select_features_#t~ret24; 197#L289true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 466#L305true main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 281#L251true assume 0 != main_~tmp~0; 221#L222true ~switchedOnBeforeTS~0 := 0; 458#L1109true havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 374#L1130-1true [2020-11-30 01:00:26,473 INFO L796 eck$LassoCheckResult]: Loop: 374#L1130-1true assume !false; 18#L698true assume test_~splverifierCounter~0 < 4; 77#L699true test_~tmp~4 := test_#t~nondet60;havoc test_#t~nondet60; 203#L707true assume !(0 != test_~tmp~4); 205#L707-1true test_~tmp___0~0 := test_#t~nondet61;havoc test_#t~nondet61; 123#L717true assume !(0 != test_~tmp___0~0); 127#L717-1true test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; 290#L727true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet63;havoc test_#t~nondet63; 120#L739true assume !(0 != test_~tmp___1~0); 124#L739-1true havoc __utac_acc__Specification5_spec__2_#t~ret87;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 357#L1001true __utac_acc__Specification5_spec__2_#t~ret87 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret87;havoc __utac_acc__Specification5_spec__2_#t~ret87; 390#L1119true assume !(0 != ~pumpRunning~0); 445#L779true assume !(0 != ~systemActive~0); 11#L786true havoc __utac_acc__Specification5_spec__3_#t~ret88, __utac_acc__Specification5_spec__3_#t~ret89, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 141#L133true __utac_acc__Specification5_spec__3_#t~ret88 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret88;havoc __utac_acc__Specification5_spec__3_#t~ret88; 392#L1130true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11); 374#L1130-1true [2020-11-30 01:00:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:26,481 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2020-11-30 01:00:26,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:26,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27374415] [2020-11-30 01:00:26,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:26,858 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:27,000 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:27,106 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:00:27,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:27,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1119275950, now seen corresponding path program 1 times [2020-11-30 01:00:27,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:27,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763472666] [2020-11-30 01:00:27,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:27,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:27,151 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:27,163 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:00:27,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:27,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1727853439, now seen corresponding path program 1 times [2020-11-30 01:00:27,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:27,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506642942] [2020-11-30 01:00:27,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:27,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506642942] [2020-11-30 01:00:27,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:00:27,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:00:27,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521150886] [2020-11-30 01:00:27,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:00:27,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:00:27,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:00:27,578 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 7 states. [2020-11-30 01:00:28,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:00:28,142 INFO L93 Difference]: Finished difference Result 1460 states and 2253 transitions. [2020-11-30 01:00:28,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:00:28,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1460 states and 2253 transitions. [2020-11-30 01:00:28,163 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 966 [2020-11-30 01:00:28,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1460 states to 1432 states and 2225 transitions. [2020-11-30 01:00:28,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1432 [2020-11-30 01:00:28,194 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1432 [2020-11-30 01:00:28,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1432 states and 2225 transitions. [2020-11-30 01:00:28,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:00:28,209 INFO L691 BuchiCegarLoop]: Abstraction has 1432 states and 2225 transitions. [2020-11-30 01:00:28,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states and 2225 transitions. [2020-11-30 01:00:28,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 520. [2020-11-30 01:00:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-11-30 01:00:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 800 transitions. [2020-11-30 01:00:28,311 INFO L714 BuchiCegarLoop]: Abstraction has 520 states and 800 transitions. [2020-11-30 01:00:28,312 INFO L594 BuchiCegarLoop]: Abstraction has 520 states and 800 transitions. [2020-11-30 01:00:28,312 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:00:28,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 520 states and 800 transitions. [2020-11-30 01:00:28,318 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 348 [2020-11-30 01:00:28,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:00:28,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:00:28,321 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:28,321 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:28,321 INFO L794 eck$LassoCheckResult]: Stem: 2356#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string76.base, #t~string76.offset, 1);call write~init~int(80, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(117, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(109, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(112, #t~string76.base, 4 + #t~string76.offset, 1);call write~init~int(58, #t~string76.base, 5 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 6 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(110, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string80.base, #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string82.base, #t~string82.offset, 1);call write~init~int(32, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 2 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string84.base, #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 1 + #t~string84.offset, 1);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 2272#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 2273#L297 havoc select_features_#t~ret19, select_features_#t~ret20, select_features_#t~ret21, select_features_#t~ret22, select_features_#t~ret23, select_features_#t~ret24;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2350#L272 select_features_#t~ret19 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret19;havoc select_features_#t~ret19;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2425#L272-1 select_features_#t~ret20 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret20;havoc select_features_#t~ret20;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2426#L272-2 select_features_#t~ret21 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret21;havoc select_features_#t~ret21;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2429#L272-3 select_features_#t~ret22 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret22;havoc select_features_#t~ret22;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2428#L272-4 select_features_#t~ret23 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret23;havoc select_features_#t~ret23;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2427#L272-5 select_features_#t~ret24 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret24;havoc select_features_#t~ret24; 2231#L289 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 2232#L305 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 2323#L251 assume 0 != main_~tmp~0; 2254#L222 ~switchedOnBeforeTS~0 := 0; 2255#L1109 havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2183#L1130-1 [2020-11-30 01:00:28,323 INFO L796 eck$LassoCheckResult]: Loop: 2183#L1130-1 assume !false; 1982#L698 assume test_~splverifierCounter~0 < 4; 1983#L699 test_~tmp~4 := test_#t~nondet60;havoc test_#t~nondet60; 2063#L707 assume !(0 != test_~tmp~4); 2240#L707-1 test_~tmp___0~0 := test_#t~nondet61;havoc test_#t~nondet61; 2124#L717 assume !(0 != test_~tmp___0~0); 2125#L717-1 test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; 2130#L727 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet63;havoc test_#t~nondet63; 2119#L739 assume !(0 != test_~tmp___1~0); 2121#L739-1 havoc __utac_acc__Specification5_spec__2_#t~ret87;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 2127#L1001 __utac_acc__Specification5_spec__2_#t~ret87 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret87;havoc __utac_acc__Specification5_spec__2_#t~ret87; 2407#L1119 assume !(0 != ~pumpRunning~0); 2326#L779 assume 0 != ~systemActive~0; 2424#L922 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 2298#L879-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 2299#L836-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 1973#L786 havoc __utac_acc__Specification5_spec__3_#t~ret88, __utac_acc__Specification5_spec__3_#t~ret89, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1974#L133 __utac_acc__Specification5_spec__3_#t~ret88 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret88;havoc __utac_acc__Specification5_spec__3_#t~ret88; 2149#L1130 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11); 2183#L1130-1 [2020-11-30 01:00:28,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:28,325 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2020-11-30 01:00:28,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:28,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135705157] [2020-11-30 01:00:28,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:28,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:28,553 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:28,580 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:00:28,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:28,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1823094133, now seen corresponding path program 1 times [2020-11-30 01:00:28,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:28,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283223782] [2020-11-30 01:00:28,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:28,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:28,607 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:28,614 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:00:28,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:28,616 INFO L82 PathProgramCache]: Analyzing trace with hash 748075750, now seen corresponding path program 1 times [2020-11-30 01:00:28,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:28,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223371896] [2020-11-30 01:00:28,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:28,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223371896] [2020-11-30 01:00:28,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:00:28,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:00:28,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063152414] [2020-11-30 01:00:28,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:00:28,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:00:28,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:00:28,886 INFO L87 Difference]: Start difference. First operand 520 states and 800 transitions. cyclomatic complexity: 283 Second operand 5 states. [2020-11-30 01:00:29,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:00:29,658 INFO L93 Difference]: Finished difference Result 1767 states and 2691 transitions. [2020-11-30 01:00:29,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:00:29,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1767 states and 2691 transitions. [2020-11-30 01:00:29,686 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 690 [2020-11-30 01:00:29,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1767 states to 1767 states and 2691 transitions. [2020-11-30 01:00:29,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1767 [2020-11-30 01:00:29,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1767 [2020-11-30 01:00:29,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1767 states and 2691 transitions. [2020-11-30 01:00:29,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:00:29,716 INFO L691 BuchiCegarLoop]: Abstraction has 1767 states and 2691 transitions. [2020-11-30 01:00:29,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states and 2691 transitions. [2020-11-30 01:00:29,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1026. [2020-11-30 01:00:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-11-30 01:00:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1545 transitions. [2020-11-30 01:00:29,761 INFO L714 BuchiCegarLoop]: Abstraction has 1026 states and 1545 transitions. [2020-11-30 01:00:29,761 INFO L594 BuchiCegarLoop]: Abstraction has 1026 states and 1545 transitions. [2020-11-30 01:00:29,761 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 01:00:29,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1026 states and 1545 transitions. [2020-11-30 01:00:29,770 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 690 [2020-11-30 01:00:29,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:00:29,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:00:29,773 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:29,773 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:29,773 INFO L794 eck$LassoCheckResult]: Stem: 4685#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string76.base, #t~string76.offset, 1);call write~init~int(80, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(117, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(109, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(112, #t~string76.base, 4 + #t~string76.offset, 1);call write~init~int(58, #t~string76.base, 5 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 6 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(110, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string80.base, #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string82.base, #t~string82.offset, 1);call write~init~int(32, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 2 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string84.base, #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 1 + #t~string84.offset, 1);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 4592#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 4593#L297 havoc select_features_#t~ret19, select_features_#t~ret20, select_features_#t~ret21, select_features_#t~ret22, select_features_#t~ret23, select_features_#t~ret24;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4679#L272 select_features_#t~ret19 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret19;havoc select_features_#t~ret19;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4794#L272-1 select_features_#t~ret20 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret20;havoc select_features_#t~ret20;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4795#L272-2 select_features_#t~ret21 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret21;havoc select_features_#t~ret21;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4801#L272-3 select_features_#t~ret22 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret22;havoc select_features_#t~ret22;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4800#L272-4 select_features_#t~ret23 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret23;havoc select_features_#t~ret23;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4799#L272-5 select_features_#t~ret24 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret24;havoc select_features_#t~ret24; 4547#L289 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 4548#L305 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 4648#L251 assume 0 != main_~tmp~0; 4573#L222 ~switchedOnBeforeTS~0 := 0; 4574#L1109 havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4797#L1130-1 [2020-11-30 01:00:29,774 INFO L796 eck$LassoCheckResult]: Loop: 4797#L1130-1 assume !false; 5043#L698 assume test_~splverifierCounter~0 < 4; 5044#L699 test_~tmp~4 := test_#t~nondet60;havoc test_#t~nondet60; 5156#L707 assume !(0 != test_~tmp~4); 5155#L707-1 test_~tmp___0~0 := test_#t~nondet61;havoc test_#t~nondet61; 5154#L717 assume !(0 != test_~tmp___0~0); 5152#L717-1 test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; 5151#L727 assume 0 != test_~tmp___2~0; 5136#L728 assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 5134#L739-1 havoc __utac_acc__Specification5_spec__2_#t~ret87;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 5132#L1001 __utac_acc__Specification5_spec__2_#t~ret87 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret87;havoc __utac_acc__Specification5_spec__2_#t~ret87; 5129#L1119 assume !(0 != ~pumpRunning~0); 5127#L779 assume 0 != ~systemActive~0; 4976#L922 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 5122#L879-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 5119#L836-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 5058#L786 havoc __utac_acc__Specification5_spec__3_#t~ret88, __utac_acc__Specification5_spec__3_#t~ret89, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 5057#L133 __utac_acc__Specification5_spec__3_#t~ret88 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret88;havoc __utac_acc__Specification5_spec__3_#t~ret88; 5056#L1130 assume 2 != __utac_acc__Specification5_spec__3_~tmp~11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 5055#L1001-1 __utac_acc__Specification5_spec__3_#t~ret89 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~3 := __utac_acc__Specification5_spec__3_#t~ret89;havoc __utac_acc__Specification5_spec__3_#t~ret89; 5054#L1134 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3); 4797#L1130-1 [2020-11-30 01:00:29,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:29,776 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 3 times [2020-11-30 01:00:29,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:29,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879095291] [2020-11-30 01:00:29,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:29,853 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:29,894 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:29,925 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:00:29,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:29,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1939795710, now seen corresponding path program 1 times [2020-11-30 01:00:29,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:29,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231506710] [2020-11-30 01:00:29,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:29,939 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:29,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:29,956 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:00:29,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:29,957 INFO L82 PathProgramCache]: Analyzing trace with hash 54656563, now seen corresponding path program 1 times [2020-11-30 01:00:29,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:29,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945232938] [2020-11-30 01:00:29,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:30,029 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:00:30,071 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:00:30,097 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:00:30,264 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2020-11-30 01:02:24,405 WARN L193 SmtUtils]: Spent 1.90 m on a formula simplification. DAG size of input: 557 DAG size of output: 499 [2020-11-30 01:03:30,782 WARN L193 SmtUtils]: Spent 1.11 m on a formula simplification that was a NOOP. DAG size: 446 [2020-11-30 01:03:31,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:03:31 BoogieIcfgContainer [2020-11-30 01:03:31,032 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:03:31,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:03:31,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:03:31,035 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:03:31,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:00:26" (3/4) ... [2020-11-30 01:03:31,039 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-30 01:03:31,133 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ee6050a0-b105-4557-8117-562b9bf668f1/bin/uautomizer/witness.graphml [2020-11-30 01:03:31,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:03:31,135 INFO L168 Benchmark]: Toolchain (without parser) took 188203.01 ms. Allocated memory was 98.6 MB in the beginning and 203.4 MB in the end (delta: 104.9 MB). Free memory was 68.1 MB in the beginning and 158.9 MB in the end (delta: -90.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:31,136 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 98.6 MB. Free memory was 57.3 MB in the beginning and 57.2 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:31,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.41 ms. Allocated memory is still 98.6 MB. Free memory was 67.9 MB in the beginning and 62.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:31,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.26 ms. Allocated memory is still 98.6 MB. Free memory was 62.2 MB in the beginning and 51.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:31,137 INFO L168 Benchmark]: Boogie Preprocessor took 174.65 ms. Allocated memory is still 98.6 MB. Free memory was 51.2 MB in the beginning and 43.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:31,138 INFO L168 Benchmark]: RCFGBuilder took 2208.87 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 43.9 MB in the beginning and 47.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:31,138 INFO L168 Benchmark]: BuchiAutomizer took 184871.55 ms. Allocated memory was 119.5 MB in the beginning and 203.4 MB in the end (delta: 83.9 MB). Free memory was 47.8 MB in the beginning and 162.1 MB in the end (delta: -114.3 MB). Peak memory consumption was 83.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:31,138 INFO L168 Benchmark]: Witness Printer took 99.12 ms. Allocated memory is still 203.4 MB. Free memory was 162.1 MB in the beginning and 158.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:31,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 98.6 MB. Free memory was 57.3 MB in the beginning and 57.2 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.41 ms. Allocated memory is still 98.6 MB. Free memory was 67.9 MB in the beginning and 62.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 220.26 ms. Allocated memory is still 98.6 MB. Free memory was 62.2 MB in the beginning and 51.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 174.65 ms. Allocated memory is still 98.6 MB. Free memory was 51.2 MB in the beginning and 43.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2208.87 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 43.9 MB in the beginning and 47.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 184871.55 ms. Allocated memory was 119.5 MB in the beginning and 203.4 MB in the end (delta: 83.9 MB). Free memory was 47.8 MB in the beginning and 162.1 MB in the end (delta: -114.3 MB). Peak memory consumption was 83.7 MB. Max. memory is 16.1 GB. * Witness Printer took 99.12 ms. Allocated memory is still 203.4 MB. Free memory was 162.1 MB in the beginning and 158.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 1026 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 184.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 182.8s. Construction of modules took 0.8s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1653 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 1026 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2084 SDtfs, 7638 SDslu, 7998 SDs, 0 SdLazy, 371 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 697]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=10053} State at position 1 is {NULL=0, NULL=10080, NULL=10072, NULL=0, NULL=10060, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4657c25a=0, NULL=10053, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3134f60=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16d1962c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30eb3a54=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34e01e47=0, methaneLevelCritical=0, NULL=10068, NULL=0, tmp=0, tmp___1=0, NULL=0, cleanupTimeShifts=4, retValue_acc=0, NULL=10063, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3aacf907=0, NULL=10075, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18bb7afb=0, waterLevel=1, __SELECTED_FEATURE_methaneAlarm=0, NULL=0, NULL=10065, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, NULL=10070, NULL=10066, NULL=0, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, __SELECTED_FEATURE_stopCommand=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2cd0f96b=0, NULL=10061, head=0, NULL=10076, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@183450e8=0, choice=0, NULL=0, \result=0, __SELECTED_FEATURE_base=1, retValue_acc=0, NULL=0, NULL=0, NULL=10067, NULL=10071, NULL=0, NULL=10079, NULL=0, __GUIDSL_ROOT_PRODUCTION=1, NULL=10055, NULL=0, NULL=0, switchedOnBeforeTS=0, \result=0, NULL=10074, NULL=0, systemActive=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60d217db=0, NULL=0, NULL=10062, NULL=10064, NULL=0, NULL=10058, __SELECTED_FEATURE_lowWaterSensor=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=10081, \result=0, retValue_acc=0, NULL=10077, tmp___0=0, NULL=0, __SELECTED_FEATURE_highWaterSensor=0, NULL=10057, retValue_acc=1, __SELECTED_FEATURE_methaneQuery=0, NULL=10054, tmp___2=53, splverifierCounter=0, NULL=0, NULL=10056, NULL=10059, NULL=10069, __SELECTED_FEATURE_startCommand=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@462e37b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fc4b775=53, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2719cbf2=0, NULL=10078, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@642cc3a3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1613fc3b=0, NULL=10073, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L42] int __SELECTED_FEATURE_base ; [L43] int __SELECTED_FEATURE_highWaterSensor ; [L44] int __SELECTED_FEATURE_lowWaterSensor ; [L45] int __SELECTED_FEATURE_methaneQuery ; [L46] int __SELECTED_FEATURE_methaneAlarm ; [L47] int __SELECTED_FEATURE_stopCommand ; [L48] int __SELECTED_FEATURE_startCommand ; [L49] int __GUIDSL_ROOT_PRODUCTION ; [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L161] int cleanupTimeShifts = 4; [L488] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L767] int pumpRunning = 0; [L768] int systemActive = 1; [L1103] int switchedOnBeforeTS ; [L242] int retValue_acc ; [L243] int tmp ; [L296] __GUIDSL_ROOT_PRODUCTION = 1 [L281] __SELECTED_FEATURE_base = 1 [L267] int retValue_acc ; [L268] int choice = __VERIFIER_nondet_int(); [L271] retValue_acc = choice [L272] return (retValue_acc); [L282] __SELECTED_FEATURE_highWaterSensor = select_one() [L267] int retValue_acc ; [L268] int choice = __VERIFIER_nondet_int(); [L271] retValue_acc = choice [L272] return (retValue_acc); [L283] __SELECTED_FEATURE_lowWaterSensor = select_one() [L267] int retValue_acc ; [L268] int choice = __VERIFIER_nondet_int(); [L271] retValue_acc = choice [L272] return (retValue_acc); [L284] __SELECTED_FEATURE_methaneQuery = select_one() [L267] int retValue_acc ; [L268] int choice = __VERIFIER_nondet_int(); [L271] retValue_acc = choice [L272] return (retValue_acc); [L285] __SELECTED_FEATURE_methaneAlarm = select_one() [L267] int retValue_acc ; [L268] int choice = __VERIFIER_nondet_int(); [L271] retValue_acc = choice [L272] return (retValue_acc); [L286] __SELECTED_FEATURE_stopCommand = select_one() [L267] int retValue_acc ; [L268] int choice = __VERIFIER_nondet_int(); [L271] retValue_acc = choice [L272] return (retValue_acc); [L287] __SELECTED_FEATURE_startCommand = select_one() [L301] int retValue_acc ; [L304] retValue_acc = __SELECTED_FEATURE_base [L305] return (retValue_acc); [L249] tmp = valid_product() [L251] COND TRUE \read(tmp) [L1108] switchedOnBeforeTS = 0 [L688] int splverifierCounter ; [L689] int tmp ; [L690] int tmp___0 ; [L691] int tmp___1 ; [L692] int tmp___2 ; [L695] splverifierCounter = 0 Loop: [L697] COND TRUE 1 [L699] COND TRUE splverifierCounter < 4 [L705] tmp = __VERIFIER_nondet_int() [L707] COND FALSE !(\read(tmp)) [L715] tmp___0 = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp___0)) [L725] tmp___2 = __VERIFIER_nondet_int() [L727] COND TRUE \read(tmp___2) [L728] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L997] int retValue_acc ; [L1000] retValue_acc = pumpRunning [L1001] return (retValue_acc); [L1117] switchedOnBeforeTS = isPumpRunning() [L779] COND FALSE !(\read(pumpRunning)) [L786] COND TRUE \read(systemActive) [L922] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L879] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L836] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L1123] int tmp ; [L1124] int tmp___0 ; [L129] int retValue_acc ; [L132] retValue_acc = waterLevel [L133] return (retValue_acc); [L1128] tmp = getWaterLevel() [L1130] COND TRUE tmp != 2 [L997] int retValue_acc ; [L1000] retValue_acc = pumpRunning [L1001] return (retValue_acc); [L1132] tmp___0 = isPumpRunning() [L1134] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...